CITATION: Potocnik, F. C. V. 2013. Dementia. South African Journal of Psychiatry, 19(3):141-152, doi:10.4102/sajpsychiatry.v19i3.944.
The original publication is available at http://www.sajp.org.za
By definition, dementia is an acquired global impairment in memory, personality and intellect in an alert patient, that is sufficiently severe to interfere with social and/or occupational functioning.